dist/ipf/mlso_rule.c

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (C) 2000 by Darren Reed.
   5  *
   6  * See the IPFILTER.LICENCE file for details on licencing.
   7  */
   8 #pragma ident "@(#)Id: mlso_rule.c,v 2.4 2002/08/10 14:00:15 darrenr Exp"
   9
  10 #include <sys/systm.h>
  11 #include <sys/types.h>
  12 #include <sys/param.h>
  13 #include <sys/errno.h>
  14 #include <sys/uio.h>
  15 #include <sys/buf.h>
  16 #include <sys/modctl.h>
  17 #include <sys/open.h>
  18 #include <sys/kmem.h>
  19 #include <sys/conf.h>
  20 #include <sys/cmn_err.h>
  21 #include <sys/stat.h>
  22 #include <sys/cred.h>
  23 #include <sys/dditypes.h>
  24 #include <sys/stream.h>
  25 #include <sys/poll.h>
  26 #include <sys/autoconf.h>
  27 #include <sys/byteorder.h>
  28 #include <sys/socket.h>
  29 #include <sys/dlpi.h>
  30 #include <sys/stropts.h>
  31 #include <sys/sockio.h>
  32 #include <net/if.h>
  33 #if SOLARIS2 >= 6
  34 # include <net/if_types.h>
  35 #endif
  36 #include <net/af.h>
  37 #include <net/route.h>
  38 #include <netinet/in.h>
  39 #include <netinet/in_systm.h>
  40 #include <netinet/if_ether.h>
  41 #include <netinet/ip.h>
  42 #include <netinet/ip_var.h>
  43 #include <netinet/tcp.h>
  44 #include <netinet/udp.h>
  45 #include <netinet/tcpip.h>
  46 #include <netinet/ip_icmp.h>
  47 #include <sys/ddi.h>
  48 #include <sys/sunddi.h>
  49 #include "ip_compat.h"
  50 #include "ip_fil.h"
  51 #include "ip_rules.h"
  52
  53 char    _depends_on[] = "drv/ipf";
  54
  55
  56 extern  struct mod_ops          mod_miscops;
  57 static  struct modlmisc         ipfrulemod = {
  58                 &mod_miscops,
  59                 "IP Filter rules"
  60 };
  61
  62 static  struct modlinkage       modlink1 = {
  63                 MODREV_1,
  64                 &ipfrulemod,
  65                 NULL
  66 };
  67
  68
  69 int _init()
  70 {
  71         int ipfruleinst;
  72
  73         ipfruleinst = mod_install(&modlink1);
  74 #ifdef  IPFRULEDEBUG
  75         cmn_err(CE_NOTE, "IP Filter Rules: _init() = %d", ipfruleinst);
  76 #endif
  77
  78         if (ipfruleinst == 0) {
  79                 if (fr_running >= 0) {
  80                         ipfruleinst = ipfrule_add();
  81                         if (!ipfruleinst)
  82                                 fr_refcnt++;
  83                         else {
  84                                 cmn_err(CE_NOTE,
  85                                         "IP Filter Rules: ipfrule_add failed");
  86                                 ipfruleinst = -1;
  87                         }
  88                 } else
  89                         ipfruleinst = -1;
  90         }
  91         if (ipfruleinst == 0)
  92                 cmn_err(CE_CONT, "IP Filter Rules: loaded\n");
  93         return ipfruleinst;
  94 }
  95
  96
  97 int _fini(void)
  98 {
  99         int ipfruleinst;
 100
 101         ipfruleinst = mod_remove(&modlink1);
 102 #ifdef  IPFRULEDEBUG
 103         cmn_err(CE_NOTE, "IP Filter Rules: _fini() = %d", ipfruleinst);
 104 #endif
 105         if (ipfruleinst == 0) {
 106                 ipfruleinst = ipfrule_remove();
 107                 if (!ipfruleinst)
 108                         fr_refcnt--;
 109                 else
 110                         ipfruleinst = -1;
 111         }
 112         if (ipfruleinst == 0)
 113                 cmn_err(CE_CONT, "IP Filter Rules: unloaded\n");
 114         return ipfruleinst;
 115 }
 116
 117
 118 int _info(modinfop)
 119 struct modinfo *modinfop;
 120 {
 121         int ipfruleinst;
 122
 123         ipfruleinst = mod_info(&modlink1, modinfop);
 124 #ifdef  IPFRULEDEBUG
 125         cmn_err(CE_NOTE, "IP Filter Rules: _info(%x) = %x",
 126                 modinfop, ipfruleinst);
 127 #endif
 128         return ipfruleinst;
 129 }